Mixing apparatus.



W. S. VBAGO & T. J. BENNETT.

MIXING APPARATUS.

APPLICATION FILED SEPT. 2e, 1912.

Patented Oct. 14, 1913.

WS. INVENTOR? Mw B. f.;- A

m ATTORNEY UNITED sTATns-f PATENT orifice..

WILLIAM SLYEACQ, QE EBKELEX. AND THOMAS. J'- NETT 0E SAN FBANQCISGQA l GALIFOBNLAS i mxrNe arrana'rus.

. its principal mounted relatlve to the supportin thereby, a A supporting Patented eeuu.. 1ere.

emlioetieatleo Senteebr- 265; lala., Serial lo. 222i@- v To ali who/m. it may concern Be.' it known that we, WILLIAM. S. VaAoo and THOMAS J?. BnNNn'ii-, citizens of the United States, residing the said Vmco at Berkeley, Alameda county, State of Califor-` nia, andthe said BrxNNmvrin the city and county of San Francisco, State of Galifornia, have invented certain. new and useful Im rovements in Mixing Apparatus, of which the following is a s eciication.

rlihe hereinafter described invention relates to an improvedpower operated mixing apparatusparticularly adapted forthe mixing and agitating of liquids orfor the whipping of creamonthe like, and has for l object to provide an apparatus of the above type-in which the oplerating motor is stationarily mountedand t e shaft supporting the agitator is capable of movement' relative to its operating motor, that the motor may be set in motion and-the position of the agitator in the liquid may be adjusted to an desired level.

Another an vide a mixing apparatus so constructed that the motor may be thrown into operation regardless of the position of theagitator relative .to the iuid to be mixed, which is a decided advantage over the devices now em loed 'in which the starting ofthe motor. an t 'e rotation of the mixing blades is regulated by the lowering 'of the motor and the insertion of the mixing blades into-the iuid to be agitated, or mixed.

A- urther object is ton provide 'a mixing apparatus which is constructed of few parts, is thoroughly eiiioientin its operation, and in which the operating motor is statibpnarily ase. The invention consists 1n, an e eotrically operated motor stationarily mounted above. a switch controlling the a supporting base, operation of said motor, a shaftmounted' to slider vertically through the armature shaft of said motor and adapted to be rotated bearing for said shaft, an a 'tator carried by said shaft, Yand means fors iding said shaft relative to said motor.

With these and other objects in view, the invention consistsA inthe construction and lnovel combination of parts hereinafter fully described, illustrated 1n the accompanying drawing, and pointed out in the claims hereto appended; it being understood that va- .rious changes 1n the form, proportion, size and minordetails of construction, within lines. Fig'. 2 is a'vertical central yview disclosing the shaft extending through important object is to. pro-V the scope of the claims hereto appended, mayresorted to without departing from the spirlt or sacrificing any advantages'. of

'the invention.

To comprehend the invention reference should be had tothe accompanying drawing, wherein i Figure 1 is aview in elevation of ourl improved apparatus, disclosing the base, the standard supporting the motor, and the agitator carried by its supporting shaft submerged in the material to be mixed in full lines, and withdrawn therefrom in dotted sectional the motor armature and constructed to slide therethrough, the supporting bearing for said motor, the agitator at the lower end thereof, the

lines withdrawn from the material to be mixed and in dotted lines submerged in the material.

Referringmore particularly to the drawings, thel reference numeral 1 designates a suitable base through which extends, adja cent one. edge-thereof, the lower end of a tubular supporting standard 2 which is secured in position by the nuts 2 and 22. Secured'to the standard 2 adjacent its upper end is a laterally extending arm 3 which supports at its outer end a casing 4 of an electrically voperated a revolving armature 5 supported onl a tubular shaft 5 insulated therefrom and said shaft revolves on bearings 6 and 7 in the casshaft being disclosed in fullv motor constructed with ing 4. The armature is rotated through electricity received by the brushes mounted in the casing and to ends of conducting wires 9 which are concealedwithin the arm 3 and extend downwardly in thecenter of the tubular standard 2, and the lower ends of the wires extendin from under the base 1 through a cut out 3 and are connected to any suitable source of electric energy. The flow of'current through the armature is regulated by' a v'switch 10 mounted to reciprocate in the upper end of the standard'2. V

Slidably mounted within a suitable bore 11 `inthe armature shaft is a vertically extending cylindrical "shaft 12, throughout` itsk length with a key-way 13, in whichk extends a key 14 projecting from the interior surface of thebore 11. The uper end' of the shaft 12 is rotatably mounted which are connected the formed l a guide tube 16 the lower end of which is screw threaded to the upper portion of the casing 4, the tube being closed at its upper end by a cap 16. Encirclin said guide tube is an adjusting sleeve 1 Secured to the bearing 15 through the medium of a connecting screw 18, extending through a vertical slot 19, formed longitudinally of the guide tube 16. The adjusting sleeve 17 is rovided on its interiorV surface with a sprlng pressed friction pawl 20, which is adapted to engage the surface of the tube 16 and retain the sleeve and parts carriedv thereby stationary thereon. j

From the above description, it will be observed that by grasping the adjusting sleeve 17 and sliding the same upon the tube 16, the shaft 12 will be raised and lowered.; relative to the amature shaft, and that by feathering the shaft 12 to the armature shaft the two shafts will be rotated by the armature.

Secured in any suitable manner to the .lower end of the shaft 12 is an agitator formed of `a plurality of spaced, inclined blades 21, radiating from a hub 22,A and `said'blades revolve at a high rate of s eed when the motor is operated and are a aptl ed when submerged in the liquid contained in a vessel 23 to thoroughly agitate and mix the same. l

To properly position the vessel 23 relative to the agitator, a guide ring 24 is secured to the base 1 directly below the center of the shaft 12, and is adapted to receive the base of the vessel.

It will be apparent that we have provided a mixing apparatus in which the shaft carrying the agitator is adjustable relative to the motor and that it is not necessary to raise and lower the motor to insert the agitator in the material to be'mixed and that it is not required to lower theagitator for any required distance in the material to be mixed before the motor can be operated, but that the motor may be operated when the agitator is at any e evation.

- Having thus described our invention what is claimed as new and is desired to be protected by Letters Patent is- 1. In a mixing `apparatus of the class described, the combination with a supporting standard, an electrically operated motor secured thereto and provided with a rotating armature, a tubular shaft Supporting said armature, electrical connections between said armature and a source o f electric energy, a shaft adjustably mounted in said tubular armature shaft and adapted to rotate the-rewith, an agitator secured to the lower end of said shaft, means for adjusting said shaft relative to said. armature, and devices for retaining said shaft in its adjusted position.

2. In a mixing apparatus of the class described, the combination with a supporting standard, an electrically operated motor secured thereto andprovided with a rotating armature, a tubular shaft support-ing Said armature, electrical connections between said armature and a source of electric energy, a shaft adjustably mounted in said tubular armature shaft and adapted to rotate therewith, an agitator secured to the lower end of said shaft, and means for adjusting saidQ shaft relative to saidarmature.

3. wIna mixing apparatus of the class described, the combination of a supporting standard, an electrically operated motor carried thereby and rovided with a rotating armature, electrical) connections between said armature and a source of electric energy, a switch for controlling the flow of current into said armature, a tubular shaft supporting said armature, a shaft adjustably mounted within said tubular shaft andy adapted to rotate therewith, a guide tube extended upwardly from said motor and adapted to receive the upper end of said shaft, a bearing for said shaft adjustably mounted within said guide -t-ube, means for adjusting said last mentioned shaft relative to said tubular armature shaft, and an agitator mounted on the lower end of said adjustable shaft and adapted to rotate therewith.

4. In a mixing apparatus of the class described, the combination of a tubular supporting standard, an electrically operated motor carried at the upper end thereof and provided with a; rotating armature, electricalconnections between said armature and a source of electric ener and said connections extended within sald'tubular standard, a switch in said standard for controlling the flow of current into said armature, a tubular shaft supporting .said armature, a shaft adjustably mounted within said tubular shaft and adapted to rotate therewith, a guide tube extended upwardly from said motor and adapted to receive the upper end of said shaft, a bearing for said shaft adjustably mounted within said guide tube, means exteriorly of said guide tube and connected to said bearing for adjusting said last mentioned shaft relative to said tubular armature shaft, and an agitator mounted on lthe lower end of said adjustable shaft and adaptedt'to rotate therewith.

In testimony whereof we have signed our names to thisspecifcation in the presence of two subscribing witnesses.

WILLIAM s. vnAoo. f THOMAS J. BENNETT.

Witnesses: i Y

HARRY A. To'I'rEN, D. B. RICHARDS. 

